345290164 has 6 divisors (see below), whose sum is σ = 604257794. Its totient is φ = 172645080.

The previous prime is 345290161. The next prime is 345290171. The reversal of 345290164 is 461092543.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 334597264 + 10692900 = 18292^2 + 3270^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345290161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43161267 + ... + 43161274.

Almost surely, 2^345290164 is an apocalyptic number.

It is an amenable number.

345290164 is a deficient number, since it is larger than the sum of its proper divisors (258967630).

345290164 is a wasteful number, since it uses less digits than its factorization.

345290164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86322545 (or 86322543 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 345290164 is about 18581.9849316482. The cubic root of 345290164 is about 701.5544801265.

The spelling of 345290164 in words is "three hundred forty-five million, two hundred ninety thousand, one hundred sixty-four".